Home / 136,244.02-188,042.76-90,222.54

Finding the Fourth Proportional to 136,244.02, 188,042.76 and 90,222.54

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Solution

The fourth proportional to 136,244.02, 188,042.76 and 90,222.54 is: 124,524.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,244.02 : 188,042.76 = 90,222.54 : x
  2. Step 2: Convert to fraction form
    136,244.02/188,042.76 = 90,222.54/x
  3. Step 3: Cross multiply
    136,244.02x = 188,042.76 × 90,222.54
  4. Step 4: Simplify right side
    136,244.02x = 16,965,695,435.81
  5. Step 5: Solve for x
    x = 16,965,695,435.81/136,244.02
  6. Step 6: Final answer
    x = 124,524.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.